<nav>
  <%= tabs_tag(:namespace => :sub_nav, :open_tabs => {}, :builder => MenuTabBuilder) do |tab| %>
	  <%= tab.app_version '<i class="fa fa-lg fa-fw fa-mobile"></i> 
        <span class="menu-item-parent">
          客户端 
        </span>'.html_safe, admin_app_versions_path %>
	  <%= tab.terminal_version '<i class="fa fa-lg fa-fw fa-cloud"></i> 
        <span class="menu-item-parent">
          终端 
        </span>'.html_safe, admin_terminal_versions_path  %>
  <% end %>
</nav>